Which of these iconic advertising slogans was NOT created by the brand it's commonly associated with, but was actually developed by a fan and later adopted officially?

Advertising slogans have become deeply embedded in our pop culture, often transcending their original marketing purpose to become cultural touchstones. From catchy jingles to powerful taglines, these phrases have shaped consumer behavior and entered our everyday language. Test your knowledge of iconic advertising slogans that made significant pop culture impacts and see if you can identify which famous brand actually created the slogan that changed advertising history.

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"Just Do It" (Nike)
"Think Different" (Apple)
"Got Milk?" (California Milk Processor Board)
"That's Hot" (Paris Hilton)